The Tabaqueira factory, in Albarraque, Sintra, is on the “front line” to start converting its production lines to “heatsticks”, combustionless mini-cigarettes used in the IQOS system.At stake is an investment of around 400 million euros.Tabaqueira should be one of the next units in the Philip Morris International (PMI) universe to receive an investment in the order of hundreds of millions of euros in adapting its facilities to start producing heatsticks.In an interview with Negócios, the new director-general of Tabaqueira says that it is not possible to "need a date", but "we are certainly on the front line to be one of the nextTo be able to add this news to your favorites you must login.If you are not registered on the Negócios website, register for free.5 things you need to know to start your day at the markets